Honda GX200 QX2 OHV Engine – 196cc 5.5 HP Commercial-Grade Horizontal Shaft
Experience the gold standard in small engine performance with the Honda GX200 QX2 OHV Engine. This 196cc OHV engine delivers 5.5 net horsepower of commercial-grade reliability . Whether you’re powering a go-kart, mini bike, pressure washer, or construction equipment, the GX200 is renowned worldwide for its legendary easy starting, exceptional fuel efficiency, and durability that outlasts competitors . Features a 3/4″ diameter horizontal shaft with 3/16″ keyway for broad compatibility .
Why Choose the Honda GX200?
As the world’s largest engine manufacturer, Honda brings decades of racing and engineering expertise to every GX Series engine. When you choose genuine Honda, you choose less downtime, lower cost of ownership, and performance you can count on . OHV Engine
Key Features
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Genuine Honda Commercial-Grade Power: The GX200 QX2 produces 5.5 HP @ 3600 RPM with 9.1 ft-lbs of torque @ 2500 RPM – the perfect balance of power and reliability for demanding applications .
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OHV (Overhead Valve) Design: Advanced overhead valve engineering provides cooler operation, superior fuel efficiency, and cleaner performance compared to traditional flathead engines .
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Durable Cast Iron Cylinder Sleeve: A cast iron cylinder sleeve provides extended service life and withstands wear and abuse far better than aluminum-bore engines .
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Ball Bearing-Supported Crankshaft: Dual ball bearings stabilize the crankshaft for reduced vibration, increased stability, and longer engine life .
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Precision Camshaft Engineering: Precision camshaft design delivers precise valve timing and optimal valve overlap for better fuel economy and high output operation .
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Legendary Easy Starting: Features automatic mechanical decompression and advanced variable ignition timing for quick, effortless starts every time .
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Oil Alert Protection: Automatic low-oil shutdown protects your engine from damage when oil levels are insufficient .
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Quiet Operation: Multi-chamber exhaust and improved camshaft design reduce overall engine noise by up to 5 dB compared to previous models .
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Emissions Compliant: CARB and EPA certified – meets strict emissions standards without requiring a catalytic converter .
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3-Year Limited Warranty: Industry-leading warranty coverage demonstrates Honda’s confidence in their commercial-grade engines .
OHV Engine Technical Specifications
We’ve compiled the most accurate specifications from Honda-authorized sources to ensure you have complete information for your project.
| OHV Engine Specification | OHV Engine Details |
|---|---|
| Model Number | GX200 QX2 / GX200UT2QX2 / GX200UT2XQX2 |
| Engine Type | Air-Cooled, 4-Stroke, OHV (Overhead Valve), Single Cylinder |
| Displacement | 196 cc |
| Bore x Stroke | 2.7″ x 2.1″ (68 mm x 54 mm) |
| Net Power Output | 5.5 HP @ 3600 RPM |
| Net Torque | 9.1 ft-lbs @ 2500 RPM |
| Compression Ratio | 8.5 : 1 |
| Max. RPM | 3600 RPM |
| Ignition System | Transistorized Magneto Ignition |
| Starting System | Recoil Start (Pull Cord) |
| Lubrication System | Splash |
| Governor System | Centrifugal Mechanical |
| Carburetor Type | Butterfly / Float Type |
| Air Cleaner | Dual Element |
| Fuel Type | 87+ Octane Unleaded Gasoline |
| Fuel Tank Capacity | 3.3 qt (3.1 liters) |
| Oil Capacity | 0.63 qt (0.6 liters) |
| PTO Shaft Rotation | Counter-Clockwise (from PTO shaft side) |
| Crankshaft Type | Q-type |
| Shaft Diameter | 3/4 in (19 mm) |
| Shaft Length | 2-7/16 in (2.43 in / 61.7 mm) |
| Shaft Keyway | 0.18 in (3/16 in) |
| PTO Height | 4.17 in |
| Dimensions (L x W x H) | Approx. 12.5″ x 14.5″ x 13.6″ (varies by source) |
| Dry Weight | 35 – 40 lbs (16.1 kg) |
| Shipping Weight | Approx. 45 lbs |
| Auto Compression Release | Yes |
| Low Oil Shutdown | Yes (Oil Alert) |
| Muffler Included | Yes |
| Choke Control | Manual |
| Throttle Control | Remote |
| Warranty | 3-Year Limited Manufacturer’s Warranty |
Note: Some specifications may vary slightly between different model variants (GX200UT2QX2, GX200UT2XQX2, etc.). All represent genuine Honda GX200 QX2 Series engines .
What’s Included
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(1) Honda GX200 QX2 OHV Horizontal Shaft Engine
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(1) Muffler
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Spark plug wrench
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Owner’s manual & safety instructions
Important: Engine is shipped WITHOUT oil. You must add the correct amount of SAE 10W-30 oil (0.63 qt) before starting to prevent damage . OHV Engine
Common Applications
The Honda GX200 QX2 is the preferred engine for demanding commercial and recreational applications :
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Recreational: Go-karts, mini bikes, cyclekarts
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Construction: Compressors, cement trowels, generators
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Industrial: Log splitters, pressure washers, pumps
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Agricultural: Tillers, chippers/shredders, water pumps
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Commercial: Reel-type mowers, construction equipment
Popular in Cyclekart Building:
The GX200 OHV Engine is the specified engine for cyclekart construction – lightweight, sports machines inspired by 1920s-1930s race cars. These one-seat karts use the 6.5 HP Honda OHV engine paired with a Comet TAV-30 torque converter for optimal performance .
Why Choose Genuine Honda OHV Engine?
Superior Reliability and Quality
Honda sets the standard for reliable, hard-working engines, built with high-quality components designed for optimum performance in the harshest environments. Honda stands behind its engines with an industry-leading 3-year limited commercial warranty .
Nationwide Parts and Service Support
Honda has a vast nationwide support network of over 14,000 dealers. From parts to service, Honda engine dealers are there to assist you whenever and wherever you need it .
Environmental Focus
Honda is committed to producing one engine for use in all 50 states. Honda engines meet the new, more stringent CARB emission requirements without the use of a catalytic converter .
Legendary Reputation
The Honda GX Series OHV commercial-grade engine is designed to perform in the most demanding applications and has set the industry standard for reliability and durability . OHV Engine
Comparison: GX200 QX2 vs. Predator 212
| Feature | Honda GX200 QX2 | Predator 212 (Harbor Freight) |
|---|---|---|
| Displacement | 196cc | 212cc |
| Horsepower | 5.5 HP | 6.5 HP |
| Max Torque | 9.1 ft-lbs | 8.1 ft-lbs |
| Shaft Diameter | 3/4″ | 3/4″ |
| Cylinder | Cast Iron Sleeve | Cast Iron Sleeve |
| Bearings | Ball Bearings | Ball Bearings |
| Warranty | 3-Year Limited | 90 Days (typical) |
| Quality Standard | Commercial-Grade | Consumer-Grade |
| Replaces | N/A (Original) | GX200, GX160, etc. |
The Predator 212 is a popular budget alternative that is compatible with many GX200 applications . However, genuine Honda offers superior quality, dealer support, and longer warranty coverage. OHV Engine


















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